โญ๏ธ ํŒŒ๋™ ๊ด€๋ จ ๊ณต์‹ ์ •๋ฆฌ โญ๏ธ

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* ์‚ฌ์ง„์—์„œ์˜ $\theta _{1}$์„ i๋กœ, $\theta _{2}$๋ฅผ r๋กœ ํ‘œํ˜„ํ•จ.

 

๐Ÿ“š ๊ธฐํ˜ธ ์„ค๋ช… ์—ด๊ธฐ โ–ผ

๋”๋ณด๊ธฐ

Essential

v: ์†๋ ฅ

i: ์ž…์‚ฌ๊ฐ

r: ๋ฐ˜์‚ฌ๊ฐ

n: ๊ตด์ ˆ๋ฅ 

f: ์ง„๋™์ˆ˜ (์ฃผํŒŒ์ˆ˜)

T: ์ฃผ๊ธฐ

$\lambda$: ํŒŒ์žฅ

 

Additional

A: ์ง„ํญ

 

$\dfrac{V_{1}}{V_{2}}=\dfrac{\sin i}{\sin r}=\dfrac{n_{2}}{n_{1}}$ (์Šค๋„ฌ ๋ฒ•์น™ / ๊ตด์ ˆ ๋ฒ•์น™)

* ๊ตด์ ˆ๋ฅ ์ด ํฐ ๋งค์งˆ์—์„œ ์ž‘์€ ๋งค์งˆ๋กœ ์ง„ํ–‰ํ•  ๋•Œ: ๊ตด์ ˆ๊ฐ>์ž…์‚ฌ๊ฐ

 

$f=\dfrac{1}{T}$

 

$v=\dfrac{\lambda }{T}=f\lambda$

 

$n_{1}\sin i=n_{2}\sin r$

 

$f\propto \dfrac{1}{\lambda }$

 

์ผ๋ฐ˜์ ์œผ๋กœ, $\lambda$ ์ฆ๊ฐ€ํ•˜๋ฉด n ๊ฐ์†Œ